XG700 User's Guide
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All Rights Reserved, Copyright (C) PFU LIMITED 2005-2006
Link Type
Indicates the link type state of the current line.
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Point-to-point
A point-to-point line.
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Shared
A shared line.
Forward-Transitions
Displays the number of times ports have been changed to forwarding state.
Portfast
The setting state of Portfast is displayed.
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Disabled
Portfast function is displayed.
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Enabled
Portfast function is enabled.
Portfast bpdu-guard
The setting state of the BPDU guard function is displayed.
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Disabled
The BPDU guard function is disabled.
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Enabled
The BPDU guard function is enabled.
Portfast bpdu-filter
The setting state of the BPDU filter function is displayed.
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Disabled
The BPDU filter function is disabled.
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Enabled
The BPDU filter function is enabled.
BPDU Parameter
Displays the information about the BPDU send/receive.
It is, however, displayed when "STP State" of each port is other than "Down".
Designated Path Cost
The root path cost of the connection destination port is displayed.
Designated Port ID
The Port ID of the connection destination port is displayed.
The Port ID of a designated port of the des
Designated Priority
The priority of the connection destination port is displayed,
Designated Root ID
The switch identifier of the root switch registered in the connection destination switch is displayed.
In the first four digits, the priority of the root switch is displayed in a hexadecimal number. In the remaining 12 digits, the
MAC address of the root switch is displayed in a hexadecimal number.
Designated Switch ID
The switch identifier of the connection destination switch is displayed.
In the first four digits, the priority of the designated switch is displayed in a hexadecimal number.
If "Designated Root ID" and "Designated Switch ID" are the same, it means the connection destination switch is the
root switch.
Max Age
Max age (seconds) (valid time of BPDU) notified from the connection destination switch is displayed.
Message Age
Displays the time (seconds) lapsed when BPDU message notified from the connection destination switch is received.
Message Age Timer
Displays the valid time of received BPDU.
Hello Time
Displays the hello time (seconds) notified from the connection destination switch.
Hello Timer
Displays the remaining seconds of Hello Time. When it becomes 0, BPDU is sent.
Forward Time
Displays the Forward Time (seconds) notified from the connection destination switch.
Forward Timer
Displays the remaining seconds of Forward Time. When it becomes 0, the status of the port is changed.
Received STP Protocol
Displays the mode of Spanning Tree Protocol (STP) of the connection destination switch.
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STP
The connection destination switch is operating in STP (IEEE 802.1D) mode.
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RSTP
The connection destination switch is operating in RSTP (IEEE 802.1w) mode.
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None
STP is not applicable to the connection destination switch.
Example
Displays the detailed information of the Spanning Tree state:
xg# show spanning-tree